2,4-Dibromobutanoyl chloride
Also known as: 2,4-Dibromobutyryl chloride, 2,4-dibromobutanoyl chloride, Butanoyl chloride, 2,4-dibromo-, 2,4-Dibromobutyryl chloride ISO 9001:2015 REACH, 2,4-DibroMobutyryl chloride technical, ~90% (GC), EOS-60357, Bepotastine Impurity 13, Olutasidenib Impurity 11, MFCD01862994
2,4-Dibromobutanoyl chloride (CAS 82820-87-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H5Br2ClO and a molecular weight of 264.343 g/mol. Key properties include a boiling point of 235.5±25.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 96.2±23.2 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage, H317 — May cause an allergic skin reaction and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 82820-87-9
- Jingsj CID
- J-43032-0
- Molecular Formula
- C4H5Br2ClO
- Molecular Weight
- 264.343 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 235.5±25.0 °C at 760 mmHg |
|---|---|
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 96.2±23.2 °C |
| Exact Mass | 261.839539 |
| PSA | 17.07000 |
| LogP | 2.75 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.542 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
- H334 — May cause allergy or asthma symptoms if inhaled
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,4-Dibromobutanoyl chloride?
The CAS number of 2,4-Dibromobutanoyl chloride is 82820-87-9.
What are the molecular formula and molecular weight of 2,4-Dibromobutanoyl chloride?
2,4-Dibromobutanoyl chloride has molecular formula C4H5Br2ClO and molecular weight 264.343 g/mol.
Is 2,4-Dibromobutanoyl chloride hazardous?
2,4-Dibromobutanoyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of 2,4-Dibromobutanoyl chloride?
For 2,4-Dibromobutanoyl chloride, Upstream Products: 2,4-Dibromobutanoic acid; Downstream Products: Methyl 2,4-dibromobutanoate, 3-bromo-1-methylpyrrolidin-2-one, (±)-3-Bromo-1-phenyl-2-pyrrolidinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dibromobutanoyl chloride (CAS 82820-87-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43032-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.